1. A sailor goes fishing and catch the following amounts: Bass 15 Whitings 12 Croakers 18 Flounders 25.Tiger 18 Grouper 8
What is the mode and range of his catches?

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Just tell me how to set up the equation.

It takes an ant farm 3 days to consume 1/2 of an apple. at that rate, in how many days will the ant farm consume 3 apples